diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index c5b64b1..0ffad22 100755
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -31,7 +31,9 @@ if [ -d "backend-go" ]; then
   echo "Setting up backend-go..."
   (
     cd backend-go
-    go mod tidy
+    go mod download
+    #go mod tidy
+    #go install github.com/steebchen/prisma-client-go@latest
   ) &
 else
   echo "backend-go directory not found, skipping..."
diff --git a/backend-go/tools.go b/backend-go/tools.go
new file mode 100644
index 0000000..6721ed1
--- /dev/null
+++ b/backend-go/tools.go
@@ -0,0 +1,8 @@
+//go:build tools
+
+package tools
+
+import (
+	// Importiere Prisma Client Go als Tool, nicht als Bibliothek.
+	_ "github.com/steebchen/prisma-client-go"
+)